Exemple #1
0
 /**
  * @param args
  * @throws IOException
  */
 public void results(String[] f) throws IOException {
   String[] indicators = {"EPSILON", "IGD", "SPREAD", "HV"};
   String[] operators = {"BLX", "SBX"
     // ,"DEX"
   };
   int runs = 15;
   double aux = 0;
   String str = "";
   BufferedReader br = null;
   Vector<PrintWriter> pw = new Vector<PrintWriter>();
   DescriptiveStatistics d = new DescriptiveStatistics();
   for (int i = 0; i < operators.length; i++) {
     for (int j = 0; j < indicators.length; j++) {
       pw.add(
           new PrintWriter(
               "C:\\Users\\9dgonzalezg\\Desktop\\workspace\\GA\\GA"
                   + "\\resultsMyNSGAIIExperiment\\data\\"
                   + new String(f[i])
                   + "_"
                   + indicators[j]
                   + ".res"));
       for (int k = 0; k < runs; k++) {
         br =
             new BufferedReader(
                 new FileReader(
                     "C:\\Users\\9dgonzalezg"
                         + "\\Desktop\\workspace\\GA\\GA\\resultsMyNSGAIIExperiment\\"
                         + "data\\"
                         + f[i]
                         + "\\"
                         + new Integer(k).toString()
                         + "\\"
                         + indicators[j]));
         str = br.readLine();
         while (str != null) {
           aux = Double.parseDouble(str);
           d.addValue(aux);
           str = br.readLine();
         }
         br.close();
         pw.get(j).println(d.getMean());
         d.clear();
       }
       pw.get(j).close();
     }
     pw.clear();
   }
 }
  public Vector<double[]> getMeanSd(svm_node[][] node) {
    // TODO Auto-generated method stub
    DescriptiveStatistics statistics = new DescriptiveStatistics();
    int nAttr = node[0].length;
    int nSample = node.length;
    double[] meanValues = new double[nAttr];
    double[] sdValues = new double[nAttr];

    for (int i = 0; i < nAttr; i++) {
      statistics.clear();
      for (int j = 0; j < nSample; j++) {
        statistics.addValue(node[j][i].value);
      }
      // 获取中值及标准差
      meanValues[i] = statistics.getMean();
      sdValues[i] = statistics.getStandardDeviation();
    }

    Vector<double[]> meanSd = new Vector<double[]>();
    meanSd.add(meanValues);
    meanSd.add(sdValues);
    return meanSd;
  }